255425207 has 2 divisors, whose sum is σ = 255425208. Its totient is φ = 255425206.

The previous prime is 255425173. The next prime is 255425231. The reversal of 255425207 is 702524552.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-255425207 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (255425237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127712603 + 127712604.

It is an arithmetic number, because the mean of its divisors is an integer number (127712604).

Almost surely, 2^255425207 is an apocalyptic number.

255425207 is a deficient number, since it is larger than the sum of its proper divisors (1).

255425207 is an equidigital number, since it uses as much as digits as its factorization.

255425207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28000, while the sum is 32.

The square root of 255425207 is about 15982.0276248041. The cubic root of 255425207 is about 634.4848422705.

Adding to 255425207 its reverse (702524552), we get a palindrome (957949759).

The spelling of 255425207 in words is "two hundred fifty-five million, four hundred twenty-five thousand, two hundred seven".